package io;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

public class ReadStringDemo {
    public static void main(String[] args) throws IOException {
//        File file=new File("fos2.txt");
//        FileInputStream fis= new FileInputStream("fos.txt");

        File file=new File("fos.txt");
        FileInputStream fis= new FileInputStream(file);
        byte[] data=new byte[(int)file.length()];
        fis.read(data);

        String str =new String(data, StandardCharsets.UTF_8);
        System.out.println(str);

    }
}
